CA2582451C - Systeme et procede d'analyse des mouvements des muscles faciaux et des yeux pour l'animation infographique - Google Patents

Systeme et procede d'analyse des mouvements des muscles faciaux et des yeux pour l'animation infographique Download PDF

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Publication number
CA2582451C
CA2582451C CA2582451A CA2582451A CA2582451C CA 2582451 C CA2582451 C CA 2582451C CA 2582451 A CA2582451 A CA 2582451A CA 2582451 A CA2582451 A CA 2582451A CA 2582451 C CA2582451 C CA 2582451C
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Prior art keywords
performer
emg
electrodes
data
eog
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CA2582451A1 (fr
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Mark Sagar
Remington Scott
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Sony Corp
Sony Pictures Entertainment Inc
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Sony Corp
Sony Pictures Entertainment Inc
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T13/00—Animation
    • G06T13/20—3D [Three Dimensional] animation
    • G06T13/40—3D [Three Dimensional] animation of characters, e.g. humans, animals or virtual beings
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
    • A61B5/1113—Local tracking of patients, e.g. in a hospital or private home
    • A61B5/1114—Tracking parts of the body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
    • A61B5/1126—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb using a particular sensing technique
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • A61B5/389—Electromyography [EMG]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
    • G06F3/013—Eye tracking input arrangements
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
    • G06F3/015—Input arrangements based on nervous system activity detection, e.g. brain waves [EEG] detection, electromyograms [EMG] detection, electrodermal response detection
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/04—Arrangements of multiple sensors of the same type
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6813—Specially adapted to be attached to a specific body part
    • A61B5/6814—Head

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Public Health (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dentistry (AREA)
  • Physiology (AREA)
  • Human Computer Interaction (AREA)
  • Dermatology (AREA)
  • Neurology (AREA)
  • Neurosurgery (AREA)
  • Processing Or Creating Images (AREA)
  • User Interface Of Digital Computer (AREA)
  • Position Input By Displaying (AREA)
  • Electrotherapy Devices (AREA)

Abstract

L'invention concerne un système d'analyse de mouvements qui permet de saisir de manière conforme les mouvements subtils du visage et des yeux par un procédé de détection électromyographique superficiel EMG pour détecter les mouvements de muscles et un procédé de détection par électrooculogramme (EOG) pour détecter les mouvements des yeux. Les signaux correspondant à ces mouvements servent à commander un personnage animé pour présenter les mêmes mouvements exécutés par un acteur. Un mode de réalisation du système d'animation et d'analyse des mouvements concerne plusieurs paires d'électrodes EMG que l'on fixe sur la peau d'un acteur en plusieurs emplacements correspondant aux muscles concernés, et un processeur fonctionnellement couplé auxdites paires d'électrodes EMG. Ledit processeur comporte des instructions de programmation relatives à l'exécution des fonctions d'acquisition de données EMG provenant desdites paires d'électrodes EMG. Les données EMG comprennent des signaux électriques correspondant aux mouvements des muscles de l'acteur lors de l'exécution. Les instructions de programmation comportent en outre le traitement des données EMG afin de produire un modèle numérique des mouvements des muscles, et le mappage du modèle numérique sur un personnage animé. Dans un autre mode de réalisation, plusieurs paires d'électrodes EOG sont fixées sur la surface de la peau de l'acteur à des emplacements jouxtant les yeux de l'acteur. Le processeur est fonctionnellement couplé auxdites paires d'électrodes EOG et comporte en outre des instructions de programmation pour exécuter les fonctions d'acquisition de données EOG provenant de la pluralité de paires d'électrodes EOG. Les données EOG comprennent des signaux électriques correspondant aux mouvements des yeux de l'acteur lors de l'exécution. Les instructions de programmation fournissent en outre le traitement des données EOG et le mappage des données EOG traitées sur le personnage animé. Le personnage animé présentera par conséquent les mêmes mouvements des muscles et des yeux que l'acteur.
CA2582451A 2004-10-01 2005-09-29 Systeme et procede d'analyse des mouvements des muscles faciaux et des yeux pour l'animation infographique Active CA2582451C (fr)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US61526804P 2004-10-01 2004-10-01
US60/615,268 2004-10-01
US61604904P 2004-10-04 2004-10-04
US60/616,049 2004-10-04
US10/984,488 US7554549B2 (en) 2004-10-01 2004-11-08 System and method for tracking facial muscle and eye motion for computer graphics animation
US10/984,488 2004-11-08
PCT/US2005/035206 WO2006039497A2 (fr) 2004-10-01 2005-09-29 Systeme et procede d'analyse des mouvements des muscles faciaux et des yeux pour l'animation infographique

Publications (2)

Publication Number Publication Date
CA2582451A1 CA2582451A1 (fr) 2006-04-13
CA2582451C true CA2582451C (fr) 2012-03-06

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Family Applications (1)

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CA2582451A Active CA2582451C (fr) 2004-10-01 2005-09-29 Systeme et procede d'analyse des mouvements des muscles faciaux et des yeux pour l'animation infographique

Country Status (8)

Country Link
US (1) US7554549B2 (fr)
EP (1) EP1797537B1 (fr)
JP (2) JP5047798B2 (fr)
KR (1) KR100917486B1 (fr)
AU (1) AU2005291927B2 (fr)
CA (1) CA2582451C (fr)
NZ (1) NZ554589A (fr)
WO (1) WO2006039497A2 (fr)

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Publication number Publication date
KR20070057997A (ko) 2007-06-07
JP5047798B2 (ja) 2012-10-10
EP1797537A4 (fr) 2011-10-26
CA2582451A1 (fr) 2006-04-13
US20060071934A1 (en) 2006-04-06
KR100917486B1 (ko) 2009-09-16
AU2005291927A1 (en) 2006-04-13
JP2011108281A (ja) 2011-06-02
WO2006039497A2 (fr) 2006-04-13
US7554549B2 (en) 2009-06-30
JP2008515113A (ja) 2008-05-08
NZ554589A (en) 2010-09-30
EP1797537A2 (fr) 2007-06-20
AU2005291927B2 (en) 2009-11-12
EP1797537B1 (fr) 2016-08-24
WO2006039497A3 (fr) 2007-04-05
JP5662203B2 (ja) 2015-01-28

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